Vanna1236 Vanna1236

11-03-2015
Mathematics

Answered

It takes Mrs. Hughes 60 minutes to correct 15 math tests. How long would it take her to correct 60 math tests?

Answer :

secret13 secret13

11-03-2015

60 ÷ 15 = 4

4 minute per math test

4 × 60 = 240

240 minutes to correct 60 math tests =)

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bayorakbar bayorakbar

11-03-2015

Use ration format 60:15, x:60 cross multiply and you will get 3600=15x. Divide both sides by 15 and x=240

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